Finding the Fourth Proportional to 254,621.73, 351,378.86 and 139,909.53
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Solution
The fourth proportional to 254,621.73, 351,378.86 and 139,909.53 is: 193,075.63
Step by Step Solution
- Step 1: Write the proportion equation
254,621.73 : 351,378.86 = 139,909.53 : x - Step 2: Convert to fraction form
254,621.73/351,378.86 = 139,909.53/x - Step 3: Cross multiply
254,621.73x = 351,378.86 × 139,909.53 - Step 4: Simplify right side
254,621.73x = 49,161,250,454.99 - Step 5: Solve for x
x = 49,161,250,454.99/254,621.73 - Step 6: Final answer
x = 193,075.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.